CC=gcc
BIN=heart
SRC=heart.c
LFLAGS=-o
RM=rm -f
$(BIN):$(SRC)
	$(CC) $(LFLAGS) $@ $^
	#这里相当于gcc -o day day1.c
.PHONY:clean
clean:
	$(RM) $(BIN)
	#这里相当于rm -f day



#day.exe:day.o
#	gcc day.o -o day.exe
#day.o:day.s
#	gcc -c day.s -o day.o
#day.s:day.i
#	gcc -S day.i -o day.s
#day.i:day1.c
#	gcc -E day1.c -o day.i
#

#day:day1.c
#	@gcc -o day day1.c


























































                                                                                           
